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# cfg+.h

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    00001 /*
    00002  * libcfg+ - precise command line & config file parsing library
    00003  *
    00004  * cfg+.h - main implementation header file
    00005  * ____________________________________________________________
    00006  *
    00007  * Developed by Ondrej Jombik <nepto@platon.sk>
    00008  *          and Lubomir Host <rajo@platon.sk>
    00009  * Copyright (c) 2001-2004 Platon SDG, http://platon.sk/
    00010  * All rights reserved.
    00011  *
    00012  * See README file for more information about this software.
    00013  * See COPYING file for license information.
    00014  *
    00015  * Download the latest version from
    00016  * http://platon.sk/projects/libcfg+/
    00017  */
    00018
    00019 /* $Platon: libcfg+/src/cfg+.h,v 1.60 2004/01/12 06:03:08 nepto Exp $ */
    00020
    00030 #ifndef _PLATON_CFG_H
    00031 #define _PLATON_CFG_H
    00032
    00033 #include <stdio.h>
    00034
    00036 #define CFG_END_OPTION { NULL, '\0', NULL, CFG_END, NULL, 0 }
    00037 #define CFG_END_OF_LIST CFG_END_OPTION
    00046 enum cfg_error { /* {{{ */
    00047
    00050         CFG_ERR_OK = 0,
    00051         CFG_ERROR_OK = 0,
    00052         CFG_OK = 0,
    00056         CFG_ERR_NOARG = -1,
    00057         CFG_ERROR_NOARG = -1,
    00058
    00060         CFG_ERR_NOTALLOWEDARG = -2,
    00061         CFG_ERROR_NOTALLOWEDARG = -2,
    00062
    00064         CFG_ERR_BADOPT = -3,
    00065         CFG_ERROR_BADOPT = -3,
    00066
    00068         CFG_ERR_BADQUOTE = -4,
    00069         CFG_ERROR_BADQUOTE = -4,
    00070
    00072         CFG_ERR_BADNUMBER = -5,
    00073         CFG_ERROR_BADNUMBER = -5,
    00074
    00076         CFG_ERR_OVERFLOW = -6,
    00077         CFG_ERROR_OVERFLOW = -6,
    00078
    00080         CFG_ERR_MULTI = -7,
    00081         CFG_ERROR_MULTI = -7,
    00082
    00084         CFG_ERR_NOMEM = -8,
    00085         CFG_ERROR_NOMEM = -8,
    00086
    00088         CFG_ERR_STOP_STR = -9,
    00089         CFG_ERR_STOP_STR_FOUND = -9,
    00090         CFG_ERROR_STOP_STR = -9,
    00091         CFG_ERROR_STOP_STR_FOUND = -9,
    00092
    00094         CFG_ERR_NOEQUAL = -10,
    00095         CFG_ERROR_NOEQUAL = -10,
    00096
    00098         CFG_ERR_UNKNOWN = -11,
    00099         CFG_ERROR_UNKNOWN = -11,
    00100
    00102         CFG_ERR_FILE_NOT_FOUND = -12,
    00103         CFG_ERROR_FILE_NOT_FOUND = -12,
    00104
    00106         CFG_ERR_SEEK_ERROR = -13,
    00107         CFG_ERROR_SEEK_ERROR = -13,
    00108
    00110         CFG_ERR_INTERNAL = -20,
    00111         CFG_ERROR_INTERNAL = -20
    00112
    00113 }; /* }}} */ /*@}*/
    00114
    00124 enum cfg_flag { /* {{{ */
    00125
    00127         CFG_IGNORE_MULTI = 1,
    00128
    00130         CFG_IGNORE_UNKNOWN = 2,
    00131
    00133         CFG_PROCESS_FIRST = 0,
    00134
    00136         CFG_SKIP_FIRST = 4,
    00137
    00139         CFG_POSIXLY_LEFTOVERS = 0,
    00140
    00142         CFG_ADVANCED_LEFTOVERS = 8,
    00143
    00146         CFG_NORMAL_LEFTOVERS = 0,
    00147
    00150         CFG_STRICT_LEFTOVERS = 16,
    00151
    00153         CFG_FILE_BYTE_POS_USAGE = 0,
    00154
    00156         CFG_FILE_LINE_POS_USAGE = 32
    00157
    00158                 /* Ignore all quotations in options arguments. */
    00159                 /*
    00160                    CFG_USE_QUOTE = 0,
    00161                    CFG_IGNORE_QUOTE = 16
    00162                    */
    00163                 /* Advanced quotations are things like  option = va"'l'"ue
    00164                    which resolves to                                    va'l'ue.
    00165
    00166                    We really want this strange stuff? Any volunter?
    00167
    00168                    CFG_ADVANCED_QUOTE = 32 + 16
    00169                    */
    00170
    00171 }; /* }}} */ /*@}*/
    00172
    00182 enum cfg_option_type { /* {{{ */
    00183
    00185         CFG_BOOL = 1,
    00186         CFG_BOOLEAN = 1,
    00187
    00189         CFG_INT = 2,
    00190         CFG_INTEGER = 2,
    00191
    00193         CFG_UINT = 3,
    00194         CFG_UNSIGNED = 3,
    00195         CFG_UNSIGNED_INT = 3,
    00196
    00198         CFG_LONG = 4,
    00199
    00201         CFG_ULONG = 5,
    00202         CFG_UNSIGNED_LONG = 5,
    00203
    00205         CFG_FLOAT = 6,
    00206
    00208         CFG_DOUBLE = 7,
    00209
    00211         CFG_STR = 8,
    00212         CFG_STRING = 8,
    00213
    00215         CFG_END = 0,
    00216
    00218         CFG_DATA_TYPE_MASK = 31,
    00219
    00225         CFG_SINGLE = 0,
    00226         CFG_MULTI = 32,
    00227         CFG_MULTI_ARRAY = 32,
    00228         CFG_MULTI_SEPARATED = 32 + 64,
    00229
    00234         CFG_LAST_ARGS = 128,
    00235         CFG_LAST_ARGUMENTS = 128,
    00236         CFG_LEFTOVER_ARGS = 128,
    00237         CFG_LEFTOVER_ARGUMENTS = 128
    00238
    00239 }; /* }}} */ /*@}*/
    00240
    00245 enum cfg_property_type { /* {{{ */
    00246
    00251
    00254         CFG_LINE_STOP_STRING = 0,
    00255
    00258         CFG_LINE_SHORT_OPTION_PREFIX = 1,
    00259
    00262         CFG_LINE_LONG_OPTION_PREFIX = 2,
    00263
    00266         CFG_LINE_OPTION_ARG_SEPARATOR = 3,
    00267
    00270         CFG_LINE_NORMAL_MULTI_VALS_SEPARATOR = 4,
    00271
    00274         CFG_LINE_LEFTOVER_MULTI_VALS_SEPARATOR = 5,
    00275
    00278         CFG_LINE_QUOTE_PREFIX  = 6,
    00279         CFG_LINE_QUOTE_POSTFIX = 7,
    00280
    00283         CFG_FILE_STOP_PREFIX = 8,
    00284
    00287         CFG_FILE_COMMENT_PREFIX = 9,
    00288
    00291         CFG_FILE_MULTI_LINE_POSTFIX = 10,
    00292
    00295         CFG_FILE_OPTION_ARG_SEPARATOR = 11,
    00296
    00299         CFG_FILE_NORMAL_MULTI_VALS_SEPARATOR = 12,
    00300
    00303         CFG_FILE_LEFTOVER_MULTI_VALS_SEPARATOR = 13,
    00304
    00307         CFG_FILE_QUOTE_PREFIX  = 14,
    00308         CFG_FILE_QUOTE_POSTFIX = 15,
    00309
    00317         CFG_N_PROPS = 16,
    00324
    00326         CFG_QUOTE         = 50,
    00327         CFG_LINE_QUOTE    = 51,
    00328         CFG_FILE_QUOTE    = 52,
    00329         CFG_QUOTE_PREFIX  = 53,
    00330         CFG_QUOTE_POSTFIX = 54,
    00331
    00333         CFG_MULTI_VALS_SEPARATOR          = 55,
    00334         CFG_FILE_MULTI_VALS_SEPARATOR     = 56,
    00335         CFG_LINE_MULTI_VALS_SEPARATOR     = 57,
    00336         CFG_NORMAL_MULTI_VALS_SEPARATOR   = 58,
    00337         CFG_LEFTOVER_MULTI_VALS_SEPARATOR = 59,
    00338
    00340         CFG_OPTION_ARG_SEPARATOR = 60
    00342 }; /* }}} */
    00343
    00348 #define CFG_EOT                 CFG_N_PROPS
    00349 #define CFG_END_TYPE    CFG_N_PROPS
    00350
    00362 enum cfg_context_type { /* {{{ */
    00363
    00365         CFG_NO_CONTEXT = 0,
    00366
    00368         CFG_CMDLINE = 1,
    00369         CFG_LINE = 1,
    00370
    00372         CFG_CFGFILE = 2,
    00373         CFG_FILE = 2
    00374 }; /* }}} */
    00375
    00381 enum cfg_line_option_type { /* {{{ */
    00382
    00384         CFG_NONE_OPTION = 0,
    00385
    00387         CFG_SHORT_OPTION = 1,
    00388
    00390         CFG_LONG_OPTION = 2,
    00391
    00393         CFG_SHORT_OPTIONS = 4,
    00394
    00396         CFG_LONG_SEPINIT = 8,
    00397
    00399         CFG_LONG_NOSEPINIT = 0
    00400 }; /* }}} */ /*@}*/
    00401
    00405 struct cfg_option { /* {{{ */
    00407         const char *cmdline_long_name;
    00409         const char  cmdline_short_name;
    00411         const char *cfgfile_name;
    00412
    00415         const enum cfg_option_type type;
    00416
    00418         void *value;
    00419
    00421         int val;
    00422 }; /* }}} */
    00423
    00427 struct cfg_context { /* {{{ */
    00428
    00433
    00435         enum cfg_context_type type;
    00436
    00438         int flags;
    00439
    00441         const struct cfg_option *options;
    00442
    00444         long begin_pos;
    00445
    00448         long size;
    00449
    00451         int *used_opt_idx;
    00452
    00454         enum cfg_error error_code;
    00455
    00457         char **prop[CFG_N_PROPS];
    00458
    00460         long cur_idx;
    00461         long cur_idx_tmp;
    00462         int  cur_opt_type;
    00463
    00465         char *cur_opt;
    00466
    00468         char *cur_arg;
    00469
    00476
    00478         int parsing_started:1;
    00479
    00481         char **argv;
    00482
    00489
    00491         char *filename;
    00492
    00494         FILE *fhandle;
    00495
    00497 }; /* }}} */
    00498
    00502 typedef struct cfg_context * CFG_CONTEXT;
    00503
    00504 /*
    00505  * Functions
    00506  */
    00507
    00508 #ifdef __cplusplus
    00509 extern "C" {
    00510 #endif
    00511
    00515  /* {{{ */
    00516
    00524         CFG_CONTEXT cfg_get_context(struct cfg_option *options);
    00525
    00536         CFG_CONTEXT cfg_get_cmdline_context(
    00537                         long begin_pos,
    00538                         long size,
    00539                         char **argv,
    00540                         struct cfg_option *options);
    00541
    00542 #define cfg_get_cmdline_context_pos(begin_pos, end_pos, argv, options) \
    00543         cfg_get_cmdline_context( \
    00544                         begin_pos, \
    00545                         end_pos - begin_pos + 1, \
    00546                         argv, \
    00547                         options)
    00548
    00557                 CFG_CONTEXT cfg_get_cmdline_context_argc(
    00558                                 int argc,
    00559                                 char **argv,
    00560                                 struct cfg_option *options);
    00561
    00572         CFG_CONTEXT cfg_get_cfgfile_context(
    00573                         long begin_pos,
    00574                         long size,
    00575                         char *filename,
    00576                         struct cfg_option *options);
    00577
    00578 #define cfg_get_cfgfile_context_pos(begin_pos, end_pos, argv, options) \
    00579         cfg_get_cfgfile_context( \
    00580                         begin_pos, \
    00581                         end_pos - begin_pos + 1, \
    00582                         argv, \
    00583                         options)
    00584
    00595                 void cfg_set_cmdline_context(
    00596                                 const CFG_CONTEXT con,
    00597                                 long begin_pos,
    00598                                 long size,
    00599                                 char **argv);
    00600
    00601 #define cfg_set_cmdline_context_pos(con, begin_pos, end_pos, argv) \
    00602         cfg_get_cmdline_context( \
    00603                         con \
    00604                         begin_pos, \
    00605                         end_pos - begin_pos + 1, \
    00606                         argv)
    00607
    00616                 void cfg_set_cmdline_context_argc(
    00617                                 const CFG_CONTEXT con,
    00618                                 int argc,
    00619                                 char **argv);
    00620
    00631         void cfg_set_cfgfile_context(
    00632                         const CFG_CONTEXT con,
    00633                         long begin_pos,
    00634                         long size,
    00635                         char *filename);
    00636
    00637 #define cfg_set_cfgfile_context_pos(con, begin_pos, end_pos, argv) \
    00638         cfg_get_cfgfile_context( \
    00639                         con \
    00640                         begin_pos, \
    00641                         end_pos - begin_pos + 1, \
    00642                         argv)
    00643
    00650                 void cfg_reset_context(const CFG_CONTEXT con);
    00651
    00658         void cfg_free_context(const CFG_CONTEXT con);
    00659
    00660         /* }}} */ /*@}*/
    00661
    00665  /* {{{ */
    00666
    00674         void cfg_set_context_flag(const CFG_CONTEXT con, int flag);
    00675
    00683         void cfg_clear_context_flag(const CFG_CONTEXT con, int flag);
    00684
    00692         int cfg_get_context_flag(const CFG_CONTEXT con, int flag);
    00693
    00694 #define cfg_is_context_flag(con, flag) cfg_get_context_flag(con, flag)
    00695
    00703         void cfg_set_context_flags(const CFG_CONTEXT con, int flags);
    00704
    00711         int cfg_get_context_flags(const CFG_CONTEXT con);
    00712
    00713         /* }}} */ /*@}*/
    00714
    00718  /* {{{ */
    00719
    00728         int cfg_clear_property(
    00729                         const CFG_CONTEXT con, enum cfg_property_type type);
    00730
    00739         int cfg_clear_properties(
    00740                         const CFG_CONTEXT con, enum cfg_property_type type, ...);
    00741
    00742
    00752         int cfg_add_property(
    00753                         const CFG_CONTEXT con, enum cfg_property_type type, char *str);
    00754
    00768         int cfg_add_properties(
    00769                         const CFG_CONTEXT con, enum cfg_property_type type, char *str, ...);
    00770
    00784         int cfg_add_properties_str(
    00785                         const CFG_CONTEXT con, char *str, enum cfg_property_type type, ...);
    00786
    00800         int cfg_add_properties_type(
    00801                         const CFG_CONTEXT con, enum cfg_property_type type, char *str, ...);
    00802
    00812         int cfg_remove_property(
    00813                         const CFG_CONTEXT con, enum cfg_property_type type, char *str);
    00814
    00828         int cfg_remove_properties(
    00829                         const CFG_CONTEXT con, enum cfg_property_type type, char *str, ...);
    00830
    00844         int cfg_remove_properties_str(
    00845                         const CFG_CONTEXT con, char *str, enum cfg_property_type type, ...);
    00846
    00860         int cfg_remove_properties_type(
    00861                         const CFG_CONTEXT con, enum cfg_property_type type, char *str, ...);
    00862
    00863         /* }}} */ /*@}*/
    00864
    00868  /* {{{ */
    00869
    00878         int cfg_parse(const CFG_CONTEXT con);
    00879
    00889         int cfg_get_next_opt(const CFG_CONTEXT con);
    00890
    00897         char *cfg_get_cur_opt(const CFG_CONTEXT con);
    00898
    00905         char *cfg_get_cur_arg(const CFG_CONTEXT con);
    00906
    00913         int cfg_get_cur_idx(const CFG_CONTEXT con);
    00914
    00915         /* }}} */ /*@}*/
    00916
    00920  /* {{{ */
    00921
    00928         void cfg_print_error(const CFG_CONTEXT con);
    00929
    00937         void cfg_fprint_error(const CFG_CONTEXT con, FILE *fh);
    00938
    00946         char *cfg_get_error_str(const CFG_CONTEXT con);
    00947
    00954         char *cfg_get_static_error_str(const int errorcode);
    00955
    00956         /* }}} */ /*@}*/
    00957
    00958 #ifdef __cplusplus
    00959 }
    00960 #endif
    00961
    00962 #endif /* _PLATON_CFG_H */
    00963
    00964 /* Modeline for ViM {{{
    00965  * vim:set ts=4:
    00966  * vim600:fdm=marker fdl=0 fdc=0:
    00967  * }}} */
    00968